Originally Posted by Godwin

I my winter ride is a 10 speed with a 105 rear derailleur but it seems to have stopped doing it's job properly because of wet roads and the amount of salt on them. Basically it's lost its will to spring back into position. I take it apart and clean it every once and a while and get it working again but it seems to be seizing more and more frequently.

Is there anything I can do to prevent this from happening, tighten the spring, lubricate?

Thanks!